Realistic height representation of streets in digital maps

摘要

The present invention relates to a method for generating street vectors of a street of a digital map, comprising reading data of a terrain model, initializing the street vectors with height coordinates read from the data of the terrain model, calculating a cost function for the initialized street vectors of the street, minimizing the cost function by varying the height coordinates of at least one street vector and determining the street vectors for which the cost function minimized. The invention also relates to a digital map comprising at least one three-dimensional digital representation of a street comprising street vectors and wherein the street vectors include height coordinates such that a cost function is minimized.